Home / 123,556.20-185,334.30-34,808.55

Finding the Fourth Proportional to 123,556.20, 185,334.30 and 34,808.55

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Solution

The fourth proportional to 123,556.20, 185,334.30 and 34,808.55 is: 52,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,556.20 : 185,334.30 = 34,808.55 : x
  2. Step 2: Convert to fraction form
    123,556.20/185,334.30 = 34,808.55/x
  3. Step 3: Cross multiply
    123,556.20x = 185,334.30 × 34,808.55
  4. Step 4: Simplify right side
    123,556.20x = 6,451,218,248.27
  5. Step 5: Solve for x
    x = 6,451,218,248.27/123,556.20
  6. Step 6: Final answer
    x = 52,212.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.